﻿<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

  <BooleanToVisibilityConverter x:Key="bool2VisibilityConverter" />

  <!--Style and template for the button in the upper left corner of the DataGrid.-->
  <Style TargetType="{x:Type Button}"
         x:Key="{ComponentResourceKey ResourceId=DataGridSelectAllButtonStyle, 
    TypeInTargetAssembly={x:Type DataGrid}}">
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type Button}">
          <Grid>
            <VisualStateManager.VisualStateGroups>
              <VisualStateGroup x:Name="CommonStates">
                <VisualState x:Name="Normal" />
                <VisualState x:Name="MouseOver">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                  Storyboard.TargetProperty="(Shape.Fill).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMouseOverColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>
                <VisualState x:Name="Pressed">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="Border"
                                                  Storyboard.TargetProperty="(Shape.Fill).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlPressedColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>
                <VisualState x:Name="Disabled">
                  <Storyboard>
                    <ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)"
                                                   Storyboard.TargetName="Arrow">
                      <DiscreteObjectKeyFrame KeyTime="0"
                                              Value="{x:Static Visibility.Collapsed}" />
                    </ObjectAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>
              </VisualStateGroup>
            </VisualStateManager.VisualStateGroups>
            <Rectangle x:Name="Border"
                       SnapsToDevicePixels="True">
              <Rectangle.Stroke>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource BorderLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource BorderMediumColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Rectangle.Stroke>
              <Rectangle.Fill>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource ControlLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource ControlMediumColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Rectangle.Fill>
            </Rectangle>
            <Polygon x:Name="Arrow"
                     HorizontalAlignment="Right"
                     Margin="8,8,3,3"
                     Opacity="0.15"
                     Points="0,10 10,10 10,0"
                     Stretch="Uniform"
                     VerticalAlignment="Bottom">
              <Polygon.Fill>
                <SolidColorBrush Color="{DynamicResource GlyphColor}" />
              </Polygon.Fill>
            </Polygon>
          </Grid>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--Style and template for the DataGrid.-->
  <Style TargetType="{x:Type DataGrid}">
    <Setter Property="Foreground"
            Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}" />
    <Setter Property="BorderBrush">
      <Setter.Value>
        <LinearGradientBrush EndPoint="0.5,1"
                             StartPoint="0.5,0">
          <GradientStop Color="{DynamicResource BorderLightColor}"
                        Offset="0" />
          <GradientStop Color="{DynamicResource BorderDarkColor}"
                        Offset="1" />
        </LinearGradientBrush>
      </Setter.Value>
    </Setter>
    <Setter Property="BorderThickness"
            Value="1" />
    <Setter Property="RowDetailsVisibilityMode"
            Value="VisibleWhenSelected" />
    <Setter Property="ScrollViewer.CanContentScroll"
            Value="true" />
    <Setter Property="ScrollViewer.PanningMode"
            Value="Both" />
    <Setter Property="Stylus.IsFlicksEnabled"
            Value="False" />
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type DataGrid}">
          <Border x:Name="border"
                  SnapsToDevicePixels="True"
                  BorderBrush="{TemplateBinding BorderBrush}"
                  BorderThickness="{TemplateBinding BorderThickness}"
                  Padding="{TemplateBinding Padding}">
            <Border.Background>
              <SolidColorBrush Color="{DynamicResource ControlLightColor}" />
            </Border.Background>
            <VisualStateManager.VisualStateGroups>
              <VisualStateGroup x:Name="CommonStates">
                <VisualState x:Name="Disabled">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (SolidColorBrush.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{DynamicResource ControlLightColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>
                <VisualState x:Name="Normal" />
              </VisualStateGroup>
            </VisualStateManager.VisualStateGroups>
            <ScrollViewer x:Name="DG_ScrollViewer"
                          Focusable="false"
                          Background="Black">
              <ScrollViewer.Template>
                <ControlTemplate TargetType="{x:Type ScrollViewer}">
                  <Grid>
                    <Grid.ColumnDefinitions>
                      <ColumnDefinition Width="Auto" />
                      <ColumnDefinition Width="*" />
                      <ColumnDefinition Width="Auto" />
                    </Grid.ColumnDefinitions>
                    <Grid.RowDefinitions>
                      <RowDefinition Height="Auto" />
                      <RowDefinition Height="*" />
                      <RowDefinition Height="Auto" />
                    </Grid.RowDefinitions>

                    <Button Focusable="false"
                            Command="{x:Static DataGrid.SelectAllCommand}"
                            Style="{DynamicResource {ComponentResourceKey 
                        ResourceId=DataGridSelectAllButtonStyle, 
                        TypeInTargetAssembly={x:Type DataGrid}}}"
                            Visibility="{Binding HeadersVisibility, 
                        ConverterParameter={x:Static DataGridHeadersVisibility.All}, 
                        Converter={x:Static DataGrid.HeadersVisibilityConverter}, 
                        RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}"
                            Width="{Binding CellsPanelHorizontalOffset, 
                        RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" />

                    <DataGridColumnHeadersPresenter x:Name="PART_ColumnHeadersPresenter"
                                                    Grid.Column="1"
                                                    Visibility="{Binding HeadersVisibility, 
                        ConverterParameter={x:Static DataGridHeadersVisibility.Column}, 
                        Converter={x:Static DataGrid.HeadersVisibilityConverter}, 
                        RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" />

                    <ScrollContentPresenter x:Name="PART_ScrollContentPresenter"
                                            Grid.ColumnSpan="2"
                                            Grid.Row="1"
                                            CanContentScroll="{TemplateBinding CanContentScroll}" />

                    <ScrollBar x:Name="PART_VerticalScrollBar"
                               Grid.Column="2"
                               Grid.Row="1"
                               Orientation="Vertical"
                               ViewportSize="{TemplateBinding ViewportHeight}"
                               Maximum="{TemplateBinding ScrollableHeight}"
                               Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}"
                               Value="{Binding VerticalOffset, Mode=OneWay, 
                        RelativeSource={RelativeSource TemplatedParent}}"/>

                    <Grid Grid.Column="1"
                          Grid.Row="2">
                      <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset, 
                            RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" />
                        <ColumnDefinition Width="*" />
                      </Grid.ColumnDefinitions>

                      <ScrollBar x:Name="PART_HorizontalScrollBar"
                                 Grid.Column="1"
                                 Orientation="Horizontal"
                                 ViewportSize="{TemplateBinding ViewportWidth}"
                                 Maximum="{TemplateBinding ScrollableWidth}"
                                 Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}"
                                 Value="{Binding HorizontalOffset, Mode=OneWay, 
                          RelativeSource={RelativeSource TemplatedParent}}"/>
                    </Grid>
                  </Grid>
                </ControlTemplate>
              </ScrollViewer.Template>
              <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
            </ScrollViewer>
          </Border>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
    <Style.Triggers>
      <Trigger Property="IsGrouping"
               Value="true">
        <Setter Property="ScrollViewer.CanContentScroll"
                Value="false" />
      </Trigger>
    </Style.Triggers>
  </Style>

  <!--Style and template for the DataGridCell.-->
  <Style TargetType="{x:Type DataGridCell}">
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type DataGridCell}">
          <Border x:Name="border"
                  BorderBrush="Transparent"
                  BorderThickness="1"
                  Background="Transparent"
                  SnapsToDevicePixels="True">
            <VisualStateManager.VisualStateGroups>
              <VisualStateGroup x:Name="FocusStates">
                <VisualState x:Name="Unfocused" />
                <VisualState x:Name="Focused" />
              </VisualStateGroup>
              <VisualStateGroup x:Name="CurrentStates">
                <VisualState x:Name="Regular" />
                <VisualState x:Name="Current">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="border"
                                                  Storyboard.TargetProperty="(Border.BorderBrush).
                        (SolidColorBrush.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource DatagridCurrentCellBorderColor}" />
                    </ColorAnimationUsingKeyFrames
                                                  >
                  </Storyboard>
                </VisualState>
              </VisualStateGroup>
            </VisualStateManager.VisualStateGroups>
            <ContentPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
          </Border>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--Style and template for the DataGridRow.-->
  <Style TargetType="{x:Type DataGridRow}">
    <Setter Property="Background">
      <Setter.Value>
        <SolidColorBrush Color="{DynamicResource ControlLightColor}" />
      </Setter.Value>
    </Setter>
    <Setter Property="SnapsToDevicePixels"
            Value="true" />
    <Setter Property="Validation.ErrorTemplate"
            Value="{x:Null}" />
    <Setter Property="ValidationErrorTemplate">
      <Setter.Value>
        <ControlTemplate>
          <TextBlock Foreground="Red"
                     Margin="2,0,0,0"
                     Text="!"
                     VerticalAlignment="Center" />
        </ControlTemplate>
      </Setter.Value>
    </Setter>
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type DataGridRow}">
          <Border x:Name="DGR_Border"
                  BorderBrush="{TemplateBinding BorderBrush}"
                  BorderThickness="{TemplateBinding BorderThickness}"
                  SnapsToDevicePixels="True">
            <Border.Background>
              <LinearGradientBrush EndPoint="0.5,1"
                                   StartPoint="0.5,0">
                <GradientStop Color="Transparent"
                              Offset="0" />
                <GradientStop Color="{DynamicResource ControlLightColor}"
                              Offset="1" />
              </LinearGradientBrush>
            </Border.Background>
            <VisualStateManager.VisualStateGroups>
              <VisualStateGroup x:Name="CommonStates">
                <VisualState x:Name="Normal" />

                <!--Provide a different appearance for every other row.-->
                <VisualState x:Name="Normal_AlternatingRow">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ContentAreaColorLight}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">

                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ContentAreaColorDark}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <!--In this example, a row in Editing or selected mode has an
                identical appearances. In other words, the states 
                Normal_Selected, Unfocused_Selected, Normal_Editing, 
                MouseOver_Editing, MouseOver_Unfocused_Editing,
                and Unfocused_Editing are identical.-->
                <VisualState x:Name="Normal_Selected">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMediumColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlDarkColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <VisualState x:Name="Unfocused_Selected">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMediumColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlDarkColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <VisualState x:Name="Normal_Editing">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMediumColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlDarkColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <VisualState x:Name="MouseOver_Editing">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMediumColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlDarkColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <VisualState x:Name="MouseOver_Unfocused_Editing">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMediumColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlDarkColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <VisualState x:Name="Unfocused_Editing">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMediumColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlDarkColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <VisualState x:Name="MouseOver">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMediumColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMouseOverColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <!--In this example, the appearance of a selected row 
                that has the mouse over it is the same regardless of
                whether the row is selected.  In other words, the states 
                MouseOver_Editing and MouseOver_Unfocused_Editing are identical.-->
                <VisualState x:Name="MouseOver_Selected">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMouseOverColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMouseOverColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>

                <VisualState x:Name="MouseOver_Unfocused_Selected">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[0].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMouseOverColor}" />
                    </ColorAnimationUsingKeyFrames>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="DGR_Border"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMouseOverColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>
              </VisualStateGroup>
            </VisualStateManager.VisualStateGroups>

            <SelectiveScrollingGrid>
              <SelectiveScrollingGrid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="*" />
              </SelectiveScrollingGrid.ColumnDefinitions>
              <SelectiveScrollingGrid.RowDefinitions>
                <RowDefinition Height="*" />
                <RowDefinition Height="Auto" />
              </SelectiveScrollingGrid.RowDefinitions>
              <DataGridCellsPresenter Grid.Column="1"
                                      ItemsPanel="{TemplateBinding ItemsPanel}"
                                      SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
              <DataGridDetailsPresenter Grid.Column="1"
                                        Grid.Row="1"
                                        Visibility="{TemplateBinding DetailsVisibility}"
                                        SelectiveScrollingGrid.SelectiveScrollingOrientation=
                  "{Binding AreRowDetailsFrozen, 
                  ConverterParameter={x:Static SelectiveScrollingOrientation.Vertical},
                  Converter={x:Static DataGrid.RowDetailsScrollingConverter}, 
                  RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}"/>
              <DataGridRowHeader Grid.RowSpan="2"
                                 SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical"
                                 Visibility="{Binding HeadersVisibility, 
                  ConverterParameter={x:Static DataGridHeadersVisibility.Row}, 
                  Converter={x:Static DataGrid.HeadersVisibilityConverter}, 
                  RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" />
            </SelectiveScrollingGrid>
          </Border>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--Style and template for the resize control on the DataGridRowHeader.-->
  <Style x:Key="RowHeaderGripperStyle"
         TargetType="{x:Type Thumb}">
    <Setter Property="Height"
            Value="8" />
    <Setter Property="Background"
            Value="Transparent" />
    <Setter Property="Cursor"
            Value="SizeNS" />
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type Thumb}">
          <Border Background="{TemplateBinding Background}"
                  Padding="{TemplateBinding Padding}" />
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--Style and template for the DataGridRowHeader.-->
  <Style TargetType="{x:Type DataGridRowHeader}">
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type DataGridRowHeader}">
          <Grid>
            <VisualStateManager.VisualStateGroups>
              <!--This example does not specify an appearance for every
                  state.  You can add storyboard to the states that are listed
                  to change the appearance of the DataGridRowHeader when it is
                  in a specific state.-->
              <VisualStateGroup x:Name="CommonStates">
                <VisualState x:Name="Normal" />
                <VisualState x:Name="Normal_CurrentRow" />
                <VisualState x:Name="Unfocused_EditingRow" />
                <VisualState x:Name="Normal_EditingRow" />
                <VisualState x:Name="MouseOver">
                  <Storyboard>
                    <ColorAnimationUsingKeyFrames Storyboard.TargetName="rowHeaderBorder"
                                                  Storyboard.TargetProperty="(Panel.Background).
                        (GradientBrush.GradientStops)[1].(GradientStop.Color)">
                      <EasingColorKeyFrame KeyTime="0"
                                           Value="{StaticResource ControlMouseOverColor}" />
                    </ColorAnimationUsingKeyFrames>
                  </Storyboard>
                </VisualState>
                <VisualState x:Name="MouseOver_CurrentRow" />
                <VisualState x:Name="MouseOver_Unfocused_EditingRow" />
                <VisualState x:Name="MouseOver_EditingRow" />
                <VisualState x:Name="MouseOver_Unfocused_Selected" />
                <VisualState x:Name="MouseOver_Selected" />
                <VisualState x:Name="MouseOver_Unfocused_CurrentRow_Selected" />
                <VisualState x:Name="MouseOver_CurrentRow_Selected" />
                <VisualState x:Name="Unfocused_Selected" />
                <VisualState x:Name="Unfocused_CurrentRow_Selected" />
                <VisualState x:Name="Normal_CurrentRow_Selected" />
                <VisualState x:Name="Normal_Selected" />
              </VisualStateGroup>
            </VisualStateManager.VisualStateGroups>
            <Border x:Name="rowHeaderBorder"
                    Width="10"
                    BorderThickness="1">
              <Border.BorderBrush>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource BorderLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource BorderDarkColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Border.BorderBrush>
              <Border.Background>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource ControlLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource ControlMediumColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Border.Background>
              <StackPanel Orientation="Horizontal">
                <ContentPresenter VerticalAlignment="Center"
                                  SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                <Control SnapsToDevicePixels="false"
                         Template="{Binding ValidationErrorTemplate, 
                    RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}}}"
                         Visibility="{Binding (Validation.HasError), 
                    Converter={StaticResource bool2VisibilityConverter}, 
                    RelativeSource={RelativeSource AncestorType={x:Type DataGridRow}}}" />
              </StackPanel>
            </Border>

            <Thumb x:Name="PART_TopHeaderGripper"
                   Style="{StaticResource RowHeaderGripperStyle}"
                   VerticalAlignment="Top" />
            <Thumb x:Name="PART_BottomHeaderGripper"
                   Style="{StaticResource RowHeaderGripperStyle}"
                   VerticalAlignment="Bottom" />
          </Grid>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--Style and template for the resize control on the DataGridColumnHeader.-->
  <Style x:Key="ColumnHeaderGripperStyle"
         TargetType="{x:Type Thumb}">
    <Setter Property="Width"
            Value="8" />
    <Setter Property="Background"
            Value="Transparent" />
    <Setter Property="Cursor"
            Value="SizeWE" />
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type Thumb}">
          <Border Background="{TemplateBinding Background}"
                  Padding="{TemplateBinding Padding}" />
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>

  <!--Style and template for the DataGridColumnHeader.-->
  <Style TargetType="{x:Type DataGridColumnHeader}">
    <Setter Property="VerticalContentAlignment"
            Value="Center" />
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type DataGridColumnHeader}">
          <Grid>
            <Border x:Name="columnHeaderBorder"
                    BorderThickness="1"
                    Padding="3,0,3,0">
              <Border.BorderBrush>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource BorderLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource BorderDarkColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Border.BorderBrush>
              <Border.Background>
                <LinearGradientBrush EndPoint="0.5,1"
                                     StartPoint="0.5,0">
                  <GradientStop Color="{DynamicResource ControlLightColor}"
                                Offset="0" />
                  <GradientStop Color="{DynamicResource ControlMediumColor}"
                                Offset="1" />
                </LinearGradientBrush>
              </Border.Background>
              <ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"
                                SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"
                                VerticalAlignment="{TemplateBinding VerticalContentAlignment}" />
            </Border>

            <Thumb x:Name="PART_LeftHeaderGripper"
                   HorizontalAlignment="Left"
                   Style="{StaticResource ColumnHeaderGripperStyle}" />
            <Thumb x:Name="PART_RightHeaderGripper"
                   HorizontalAlignment="Right"
                   Style="{StaticResource ColumnHeaderGripperStyle}" />
          </Grid>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
    <Setter Property="Background">
      <Setter.Value>
        <LinearGradientBrush EndPoint="0.5,1"
                             StartPoint="0.5,0">
          <GradientStop Color="{DynamicResource ControlLightColor}"
                        Offset="0" />
          <GradientStop Color="{DynamicResource ControlMediumColor}"
                        Offset="1" />
        </LinearGradientBrush>
      </Setter.Value>
    </Setter>
  </Style>

  <!--Style and template for the DataGridColumnHeadersPresenter.-->
  <Style TargetType="{x:Type DataGridColumnHeadersPresenter}">
    <Setter Property="Template">
      <Setter.Value>
        <ControlTemplate TargetType="{x:Type DataGridColumnHeadersPresenter}">
          <Grid>
            <DataGridColumnHeader x:Name="PART_FillerColumnHeader"
                                  IsHitTestVisible="False" />
            <ItemsPresenter />
          </Grid>
        </ControlTemplate>
      </Setter.Value>
    </Setter>
  </Style>


</ResourceDictionary>